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SS139KSOT Scheda tecnica(PDF) 1 Page - SEC Electronics Inc. |
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SS139KSOT Scheda tecnica(HTML) 1 Page - SEC Electronics Inc. |
1 / 5 page SS139 Unipolar Hall Switch-Low Sensitivity 1 V2.10 May 1, 2012 Packages Features and Benefits 3 pin SOT23 (suffix SO) 3 pin SIP (suffix UA) – 3.5V to 24V Operation – -40°C to 150°C Superior temperature operation – CMOS technology – Low current consumption – Chopper-stabilized amplifier stage – Open drain output – Low sensitivity – Small Size-SOT23 3L or SIP 3L both RoHS compliant packages Functional Block Diagram Application Examples – Automotive, Consumer and Industrial – Solid-state switch – Brushless DC motor commutation – Speed detection – Angular position detection – Proximity detection – Current detector General Description The SS139 is a unipolar Hall-effect sensor IC fabricated from CMOS technology. The device integrates a voltage regulator, Hall sensor with dynamic offset cancellation system, small signal amplifier, Schmitt trigger and an open-drain output driver. With suitable output pull up, they can be used with bipolar or CMOS logic circuits. These Hall-effect switches are monolithic integrated circuits with tighter magnetic specifications, designed to operate continuously over extended temperatures to +150°C, and are more stable with both temperature and supply voltage changes. The unipolar switching characteristic makes these devices ideal for use with a simple bar or rod magnet. Thanks to its wide operating voltage range and extended choice of temperature range, it is quite suitable for use in automotive, industrial and consumer applications. The device is delivered in a Small Outline Transistor (SOT) and in a Plastic Single In Line ( SIP 3L flat). Both 3-lead packages are RoHS compliant. VDD OUT Voltage Regulator Chopper Hall Plate GND SIP Package SOT Package Pin 1 – VDD Pin 1 – VDD Pin 2 – GND Pin 2 – OUT Pin 3 – OUT Pin 3 – GND |
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